Mercurial > zeropaste

annotate app/models/paste.rb @ 408:f3cdc83b87b4

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Add about.
author nanaya <me@myconan.net>
date Sun, 06 Sep 2015 04:55:56 +0900
parents 2ad092e60975
children 9369ad2f2ce8
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1 class Paste < ActiveRecord::Base
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2 attr_accessor :is_private
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3 after_initialize :set_privacy, :if => :new_record?
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5 before_validation :paste_limit
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6 before_validation :convert_newlines
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7 before_validation :set_paste_hash
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8 before_validation :set_paste_key
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9 before_validation :set_paste_secret
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10 validates :paste, :paste_hash, :key, :ip, :presence => true
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11 validates :paste, :length => { :maximum => 1_000_000 }
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13 def to_param
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14 path
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15 end
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16
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17 def self.safe_find(raw_id)
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18 id, secret = raw_id.to_s.split("-")
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19 return unless id.to_i.to_s == id
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20 begin
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21 where(:secret => secret).find(id)
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22 rescue ActiveRecord::RecordNotFound
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23 nil
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24 end
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25 end
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27 def self.graceful_create(params)
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28 paste = new(params)
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29 fresh = true
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30 created = true
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32 begin
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33 created = paste.save
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34 rescue ActiveRecord::RecordNotUnique
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35 paste = find_by(:ip => paste.ip, :paste_hash => paste.paste_hash)
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36 fresh = false
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37 end
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39 [created, paste, fresh]
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40 end
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41
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42 def paste_gzip=(paste)
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43 self.paste = ActiveSupport::Gzip.decompress paste
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44 end
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45
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46 def paste_gzip_base64=(paste)
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47 self.paste_gzip = Base64.decode64(paste)
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48 end
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49
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50 def safe_destroy(param_key)
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51 if key == param_key
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52 destroy
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53 else
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54 errors.add(:key, "is invalid")
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55 false
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56 end
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57 end
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59 def path
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60 [id, secret.presence].compact.join("-")
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61 end
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63 def set_paste_hash
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64 self.paste_hash = Digest::SHA512.hexdigest("#{paste}\n")
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65 end
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67 def set_paste_key
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68 self.key ||= SecureRandom.hex(4)
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69 end
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71 def set_paste_secret
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72 self.secret = SecureRandom.hex(4) if is_private?
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73 end
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75 def is_private?
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76 is_private == "1"
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77 end
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79 def convert_newlines
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80 self.paste = paste.to_s.gsub("\r\n", "\n").gsub("\r", "\n")
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81 end
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83 def paste_limit
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84 ip_post_recent_count = self.class.where(:ip => ip).where("created_at > ?", Time.zone.now - 1.hour).count
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85 errors.add :base, :limit if ip_post_recent_count > 100
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86 end
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87
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88 def set_privacy
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89 self.is_private ||= "0"
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90 end
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91
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92 def self.fix_all
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93 stats = Hash.new(0)
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94 all.find_each do |p|
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95 p.save
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96 stats[:count] += 1
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97 stats[:private] += 1 if p.secret
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98 end
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99 stats
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100 end
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101 end